1 //===-- Unittests for fstatvfs --------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "hdr/fcntl_macros.h"
10 #include "src/__support/macros/config.h"
11 #include "src/fcntl/open.h"
12 #include "src/sys/stat/mkdirat.h"
13 #include "src/sys/statvfs/fstatvfs.h"
14 #include "src/unistd/close.h"
15 #include "src/unistd/rmdir.h"
16 #include "test/UnitTest/ErrnoSetterMatcher.h"
17 #include "test/UnitTest/Test.h"
18
19 using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
20
TEST(LlvmLibcSysFStatvfsTest,FStatvfsBasic)21 TEST(LlvmLibcSysFStatvfsTest, FStatvfsBasic) {
22 struct statvfs buf;
23
24 int fd = LIBC_NAMESPACE::open("/", O_PATH);
25 ASSERT_ERRNO_SUCCESS();
26 ASSERT_GT(fd, 0);
27
28 // The root of the file directory must always exist
29 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Succeeds());
30 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
31 }
32
TEST(LlvmLibcSysFStatvfsTest,FStatvfsInvalidPath)33 TEST(LlvmLibcSysFStatvfsTest, FStatvfsInvalidPath) {
34 struct statvfs buf;
35
36 constexpr const char *FILENAME = "fstatvfs.testdir";
37 auto TEST_DIR = libc_make_test_file_path(FILENAME);
38
39 // Always delete the folder so that we start in a consistent state.
40 LIBC_NAMESPACE::rmdir(TEST_DIR);
41 LIBC_NAMESPACE::libc_errno = 0; // Reset errno
42
43 ASSERT_THAT(LIBC_NAMESPACE::mkdirat(AT_FDCWD, TEST_DIR, S_IRWXU),
44 Succeeds(0));
45
46 int fd = LIBC_NAMESPACE::open(TEST_DIR, O_PATH);
47 ASSERT_ERRNO_SUCCESS();
48 ASSERT_GT(fd, 0);
49
50 // create the file, assert it exists, then delete it and assert it doesn't
51 // exist anymore.
52
53 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Succeeds());
54 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
55
56 ASSERT_THAT(LIBC_NAMESPACE::rmdir(TEST_DIR), Succeeds(0));
57
58 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Fails(EBADF));
59 }
60